Pocket Watch Database
Patent Archive
#2391816
Patent Information
Hair Spring Collet
William Ogle Jr Bennett
December 25, 1945
Patent #2391816
Manufacturer: | Hamilton |
Patent Number: | 2391816 |
Description: | Hair Spring Collet |
Inventor(s): | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 25, 1945 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |